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Leak location in fluid filled cables using the PFT method

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5 Author(s)
R. Ghafurian ; Consolidated Edison Co., New York, NY, USA ; R. N. Dietz ; T. Rodenbaugh ; J. Dominguez
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A new method of pinpointing dielectric fluid leaks on pipe-type and self-contained power cables using perfluorocarbon tracer (PFT) is presented. The method has successfully been used on the Con Edison transmission system to locate leaks of dielectric fluid on both types of cables. Application of the PFT technique does not require feeder deenergization and provides major advantages over the conventional method of freeze and pressure testing. Description of the method and results of field application are presented in the paper

Published in:

IEEE Transactions on Power Delivery  (Volume:14 ,  Issue: 1 )